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Rigorous free fermion entanglement renormalization from wavelet theory

Project description

pyfermions Python 3.5+ Build Status arXiv Latest Version

A Python package for rigorous free fermion entanglement renormalization from wavelet theory.

MERA for 1D free-fermion nearest-neighbor hopping Hamiltonian Branching MERA for 2D free-fermion nearest-neighbor hopping Hamiltonian

For details, please see our paper.

  title={Rigorous free-fermion entanglement renormalization from wavelet theory}
  author={Jutho Haegeman and Brian Swingle and Michael Walter and Jordan Cotler and Glen Evenbly and Volkher B. Scholz},
  journal={Phys. Rev. X},


To install the latest released version from PyPI:

pip install pyfermions

To install the bleeding-edge development version (likely unstable):

pip install git+git://

Getting Started

Now download and explore some of the Jupyter notebooks. The mera1d notebook is a good starting point.


The contributors are listed here.

git clone git://
cd pyfermions
pip install -e .[dev]

Project details

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Files for pyfermions, version 1.1
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